PhijUmdhns.] cxxii. euphorbiace^ (hutchinson). 699 



two of the filameiits quite connate, the two otliers slioiier and free; 

 jinther-cells diverging from their apex, dehiscing at tlie side. Female 

 flowers not known. — Penzig in Atti Congr. Bot. Genova, 1892, 360. 



Nile I^and. Eritrea: Lalamba Mount lin, near Keren, Schioeinfurth, 881! 

 Ginda, Schweinfurth^ 404. 



Mozamb. Bistr. British Central Africa: Nyasaland; Shire Highlands, 

 Bt<chanan, 169 ! 



Occurs also in Arabia. 



'6. P. guineensiSy Pax in Bull. Herb. Boiss, Are ser. vi. 732. A 

 shrub, mucli branched from the base, 3-10 ft. high; branches angular, 

 glabrous, with spinescent stipules ; flowering branchlets produced in 

 clusters of 2-4, up to 3 in. long, leafy, glabrous. Leaves oblong or 

 oblong-elliptic, truncate or rounded and often mucronate at the apex, 

 rounded or obtuse at the base, \-\ in. long, lJ-4 lin. broad, thin or very 

 slightly chartaceous, glabrous on both surfaces ; lateral nerves spreading, 

 very faint, about 7 on each side ; petiole | lin. long, glabrous ; stipules 

 on the flowering branchlets oblong, brown, membranous, ciliate. 

 Flowers monoecious, axillary, about 4 or 5 males and 1 female in each 

 fascicle; pedicel, slender, IJ lin. long, glabrous. Male flowers : Sepals 4, 

 ovate, obtuse or subacute, | lin. long, 1 -nerved, glabrous. Disk-glands 

 4, rounded or transversely oblong, fleshy, slightly pitted. Stamens 4, 

 two of the filaments connate for nearly their full length, the other two 

 free and slightly shorter; anthers dehiscing longitudinally. Female 

 flowers : Sepals 5, a little longer than those of the male. Disk fleshy, 

 cupular, very slightly crenulate or entire. Ovary ovoid or ellipsoid, 

 slightly wrinkled, glabrous ; styles long and slender, free to the base, 

 entire or very minutely bifid. Fruits fleshy, ellip.soid, about 2 lin. in 

 diam. Ripe seeds not seen. — P.Jiorihundus, Hiern in Cat. Afr. PI. 

 Welw. i. 957, not of Miill. Arg. P. ugandensis, Rendle in Journ. Linn. 

 Soc. XXX vii. 210. 



Wile Ziand. Uganda: coast of Victoria Nyanza, JBagshawe, 571! Duniu, 

 Bawe, 29 ! 



&ower Guinea. Angola : Losmda ; Cazengo, Gossweiler, 4882 ! Golunero 

 Alto ; near Sange and l3ango, Welwitsch, 319 ! near the rivulet Delamboa, Welwitsch, 

 318! Ambaca; near a dried-up stream near Halo, Welwitsch, 320! Puiigo 

 Andongo, WeUoitsch, 317b ! Malange district, Qossweiler,^^ ! 965 ! 969 ! Antunes, 

 1243 ! Kunene region ; on the banks of the Kakulovar River, Dekindt, 844. 



Mozamb. Dlstr. British Central Africa : N} asalaud ; Buchanan, 353 ! 469 ! 

 Ntondwe, Cameron, 135 ! 



4. P. Engleriy Pax in Engl. Pfl, Ost-Afr. C. 236. A tree about 

 18 ft. high ; stem slender ; branches knotted with perennial spiny buds 

 which produce annually several flowering branchlets in fascicles ; flower- 

 ing branchlets 3-4 in each fascicle, somewhat slender, up to 7 in. long, 

 finely sulcate, glabrous. Leaves rounded or elliptic, mucronate and 

 sometimes slightly emarginate, J-| in. long, J-J in. broad, firmly 

 chartaceous, glabrous on both surfaces, glaucous below ; lateral nerves 

 scarcely \ isible, about 5 on each side ; petiole £ lin. long, glabrous ; 



